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For Consumers

Whether you drive a diesel car or operate a big rig, you can rely on the diesel additives from Power Service for year-round engine performance improvement, trouble-free winter operation and proper fuel tank hygiene. We are the diesel experts and any size diesel engine will run better with Power Service.

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For Industries

From some of the largest fleets in North America to large construction and mining operations, commercial industries rely on Power Service diesel additives to provide year-round diesel engine performance improvement, trouble-free winter operability and proper fuel tank hygiene.

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Find articles, videos, and helpful tips for maintaining your diesel engine. You'll also find product information, useful resources, and advice from our expert team.

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Diesel Kleen +Cetane Boost

Jerry P.

My 2002 GMC Sierra 2500HD with 266k miles on it has had a rough idle. Added Diesel Kleen to my tank and within minutes the rough idle was gone.

Rob

Just bought 2010 Ford F-250 and had used this product before in a prior 2006 Ford F-250 I had. The new truck had a rough idle that I didn’t realize until I added this product with my first fill up. It immediately began running much smoother.

Mike

I was getting 5.5 mpg until I found this now 7.5 to 8.1 mpg

Mason Appel

A few months ago I bought a 2004 Chevy 2500HD with 181000 miles. I tow a 34′ travel trailer 9600#. I was getting 10.5 mpg on level hwys. I found out about Diesel Kleen and started adding to every tank 1oz per 3 gal. I got 9.7 mpg in the Smoky Mtns. on some pretty steep grades. On level hwys I have gotten as much as 12 mpg. I drive 65mph as well. I now have 194000 and truck runs like new. This is a must because of having to use the ultra low sulfer diesel. I highly recommend.

Troy Mayberry

Bought 08 Chevy Silverado used. Previous owner only put fuel in the tank. I started using Diesel Kleen in it, took 2 tanks of fuel with Diesel Kleen in it and that’s all was required to get it run great again. I use Power Service in every tank. Thanks for your great working products.

Kevin

Truck idled rough, smoked bad at idle also. Ran it in for 700 miles of highway driving. Problem gone.

David

I started using this to hopefully avoid injector failure a few owners I know had at 20000 to 40000 miles on their trucks. I am over 60000 now and the engine runs like new. I also only use Amsoil lubricants. Two products that are not the usual snake oil.

Greg

I first learned about Diesel Fuel Supplement +Cetane Boost (White Bottle) from the dealer mechanic in New York when my fuel gelled from the -20-degree temperature. I use Diesel Kleen +Cetane Boost (silver bottle) year around in Texas. The product is amazing and I use it in every tank-full. The increased fuel mileage pays for it. Many Duramax owners ask me how I get such good gas mileage and I tell them PowerService is a piece of the solution. A few diesel enthusiasts point to articles about the ineffectiveness of additives, but I know better from experience. I’m a believer.

TSK

I have never been impressed with additives for my gasoline powered vehicles. I have run through 1 tank full with Diesel Kleen in my diesel 3/4 ton. The engine ran much smoother and I noticed the gas mileage improvement. Going to measure to see how much improvement but maybe enough to pay for doing the additive with every tank full.

Dustin

I bought this product over the weekend after reading all about online and decided to give it a try I have always been highly against additives. But after reading others experiences I decided to give it a whirl. Put it in Sat night didn’t drive Sunday. Monday I started truck and headed to work and within 5 miles I could already tell a huge difference I had not realized how much I had lost over the years it even seemed as if the engine was quieter. I can’t wait to see what a difference a couple of tanks through my truck will do. Highly recommended. I didn’t even have any issues. Well I thought I didn’t. But I had to replace injectors about 20000 and they were horrible so I may run a tank through and pull one just to see difference if any. This product has impressed me. Will be buying more. Sorry for rant. Thanks.

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